DTC P0131

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Circuit Description

Schematic

The oxygen sensor (O2S) consists of a zirconia electrolyte between 2 platinum plates. When the sensor reaches approximately 318°C (600°F), it becomes an electrical source that responds to the oxygen content in the exhaust. The PCM produces a bias voltage of approximatel...

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Document Tags

Document Title: DTC P0131

circuit

oxygen

sensor

approximately

voltage

lean

signal

fuel

system

oxygen sensor signal